Microbiology: An Introduction
12th Edition
ISBN: 9780321929150
Author: Gerard J. Tortora, Berdell R. Funke, Christine L. Case
Publisher: PEARSON
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Textbook Question
Chapter 11, Problem 1R
The following outline can be used to identify important bacteria. Fill in a representative genus in the space provided.
Representative Genus | ||
I. Gram-positive | ||
A. Endospore-forming rod | ||
1. Obligate anaerobe | (a) ______ | |
2. Not obligate anaerobe | (b) ______ | |
B. Non-endospore-forming | ||
1. Cells are rods | ||
a. Produce conidiospores | (c) ______ | |
b. Acid-fast | (d) ________________ | |
2. Cells are cocci | ||
a. Lack cytochrome system | (e) _______ | |
b. Use aerobic respiration | (f) _______ | |
II. Gram-negative | ||
A. Cells are helical or curved | ||
1. Axial filament | (g) _______ | |
2. No axial filament | (h) _______ | |
B. Cells are rods | ||
1. Aerobic, nonfermenting | (i) _______ | |
2. Facultatively anaerobic | (j) _______ | |
III. Lack cell walls | (k) _______ | |
IV. Obligate intracellular |
||
A. Transmitted by ticks | (1) _______ | |
B. Reticulate bodies in host cells | (m) ______ |
Expert Solution & Answer
Summary Introduction
Introduction:
Bacteria of different class and types are differentiated based on its shape, structure, and size.
Explanation of Solution
Representative Genus | |
I. Gram-positive | |
| |
1. Obligate anaerobes | (a) Clostridium |
2. Non obligate anaerobes | (b) Bacillus |
| |
| |
| (c) Streptomyces |
| (d) Mycobacterium |
| |
| (e) Streptococcus |
| (f) Staphylococcus |
II. Gram-negative | |
| |
1. Axial filament | (g) Treponema |
2. No Axial filament | (h) Spirillum |
| |
1. Anaerobic, nonfermenting | (i) Pseudomonas |
2. Facultative anaerobic | (j) Escherichia |
III. Lack cell walls | (k) Mycoplasma |
IV. Obligate intracellular parasites | |
A. Transmitted by ticks | (l) Rickettsia |
B. Reticulate bodies in host cells | (m) Chlamydia |
Conclusion
The representative genus of bacteria was identified based on the different characteristics given.
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Students have asked these similar questions
Which of the following is TRUE regarding Gram negative bacteria?
a- Their cell wall is composed of a large proportion of sugars
b- Their cell wall does not absorb the Gram stain and turns pink
c- Their cell wall is composed of a small proportion of peptidoglycan
d- Two of the above statements are true
Endospores :
A. are a dormant form of a bacterium AND are formed by members of medically relevant groups of bacteria.
B. are a form of reproduction AND are formed by members of medically relevant groups of bacteria.
C. are a dormant form of a bacterium AND are involved in anaerobic respiration.
D. are formed by members of medically relevant groups of bacteria AND are involved in anaerobic respiration.
You make a smear of E. coli and then simple stain the slide with methylene blue. If you failed to use correct aseptic technique by not sterilizing the loop before picking up the bacterial sample for the smear, what results may be seen under the microscope?
A
Both blue and purple cells may be seen on the slide.
B
No cells may be visible on the slide.
C
There may be cells of different shapes, sizes, and arrangements.
Chapter 11 Solutions
Microbiology: An Introduction
Ch. 11 - The following outline can be used to identify...Ch. 11 - Compare and contrast each of the following: a....Ch. 11 - DRAW IT Draw a key to differentiate the following...Ch. 11 - Prob. 4RCh. 11 - If you Gram-stained the bacteria that live in the...Ch. 11 - Which of the following does not belong with the...Ch. 11 - Prob. 3MCQCh. 11 - Prob. 4MCQCh. 11 - Which of the following terms is the most specific?...Ch. 11 - Which one of the following does not belong with...
Ch. 11 - Which of the following pairs is mismatched? a....Ch. 11 - Prob. 8MCQCh. 11 - When Legionella was newly discovered, why was it...Ch. 11 - Prob. 10MCQCh. 11 - Prob. 1ACh. 11 - Prob. 2ACh. 11 - Bacteria are single-celled organisms that must...Ch. 11 - After contact with a patients spinal fluid, a lab...Ch. 11 - Between April 1 and May 15 of one year. 22...Ch. 11 - Prob. 3CAE
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